ON THE BORON CONCENTRATION AND FORMS OF ITS OCCURRENCE IN HYDROTHERMAL ORE-FORMING FLUIDS
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dc.contributor.author | Prokof'ev V.Yu. | |
dc.contributor.author | Groznova E.O. | |
dc.contributor.author | Akinfiev N.N. | |
dc.date.accessioned | 2021-05-22T12:11:23Z | |
dc.date.available | 2021-05-22T12:11:23Z | |
dc.date.issued | 2002 | |
dc.identifier | https://www.elibrary.ru/item.asp?id=13413236 | |
dc.identifier.citation | Geology of Ore Deposits, 2002, 44, 5, 339-349 | |
dc.identifier.issn | 1075-7015 | |
dc.identifier.uri | https://repository.geologyscience.ru/handle/123456789/28616 | |
dc.description.abstract | The boron concentration in relictant hydrothermal ore-forming fluids captured in the mineral fluid inclusions from various hydrothermal deposits (gold, gold-platinum, tin, and some others) was studied. The fluid inclusions, which were captured at various physicochemical parameters (T =550–175°C, P = 3700–110 bar), were studied with atom-emission spectroscopy (with laser unsealing of inclusions) and with aqueous extraction from the inclusions using inductively coupled plasma. The boron concentration varies strongly from 8 to 0.0001 g/kg of water, and in half of the analyses the concentration exceeds 0.5 g/kg of water. Boron occurs in solution mainly as orthoboron acid under 300–100°C, vapor-saturated pressure, and pH less than 9, according to thermodynamic modeling in a system with similar chemical composition. Possible types of soluble borate species of various elements transported by the hydrothermal ore-forming fluids are discussed. | |
dc.title | ON THE BORON CONCENTRATION AND FORMS OF ITS OCCURRENCE IN HYDROTHERMAL ORE-FORMING FLUIDS | |
dc.type | Статья |
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